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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:005668/0660   Pages: 8
Recorded: 04/18/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 59
1
Patent #:
4111564
Issue Dt:
Application #:
05330599
Filing Dt:
Title:
2
Patent #:
3825808
Issue Dt:
Application #:
05358881
Filing Dt:
Title:
3
Patent #:
3873226
Issue Dt:
Application #:
05378171
Filing Dt:
Title:
4
Patent #:
4062634
Issue Dt:
12/13/1977
Application #:
05548608
Filing Dt:
02/10/1975
Title:
SYSTEM FOR CONTROLLING ATTITUDE OF LASER BEAM PLANE
5
Patent #:
3953145
Issue Dt:
Application #:
05557572
Filing Dt:
Title:
6
Patent #:
3997071
Issue Dt:
12/14/1976
Application #:
05604665
Filing Dt:
08/14/1975
Title:
METHOD AND APPARATUS FOR INDICATING EFFECTIVE DIGGING DEPTH OF A BACKH OE
7
Patent #:
4034490
Issue Dt:
Application #:
05628095
Filing Dt:
Title:
8
Patent #:
4035084
Issue Dt:
Application #:
05659413
Filing Dt:
Title:
9
Patent #:
4028822
Issue Dt:
Application #:
05678694
Filing Dt:
Title:
10
Patent #:
4050171
Issue Dt:
Application #:
05685528
Filing Dt:
Title:
11
Patent #:
4081919
Issue Dt:
Application #:
05782926
Filing Dt:
Title:
12
Patent #:
4129224
Issue Dt:
12/12/1978
Application #:
05833432
Filing Dt:
09/15/1977
Title:
AUTOMATIC CONTROL OF BACKHOE DIGGING DEPTH
13
Patent #:
4221483
Issue Dt:
09/09/1980
Application #:
05962198
Filing Dt:
11/20/1978
Title:
LASER BEAM LEVEL INSTRUMENT
14
Patent #:
4225226
Issue Dt:
09/30/1980
Application #:
05974369
Filing Dt:
12/29/1978
Title:
LASER GUIDANCE SYSTEM FOR CROP SPRAYING AIRCRAFT
15
Patent #:
4231700
Issue Dt:
11/04/1980
Application #:
06028178
Filing Dt:
04/09/1979
Title:
METHOD AND APPARATUS FOR LASER BEAM CONTROL OF BACKHOE DIGGING DEPTH
16
Patent #:
4519705
Issue Dt:
05/28/1985
Application #:
06418650
Filing Dt:
09/16/1982
Title:
SIGHTING CAP FOR ROTATING LASER BEAM TRANSMITTER
17
Patent #:
4526201
Issue Dt:
07/02/1985
Application #:
06439057
Filing Dt:
11/04/1982
Title:
FOUR-WAY VALVE WITH INTERNAL PILOT
18
Patent #:
4600997
Issue Dt:
07/15/1986
Application #:
06492554
Filing Dt:
05/09/1983
Title:
SURVEYING SYSTEM
19
Patent #:
4601452
Issue Dt:
07/22/1986
Application #:
06659578
Filing Dt:
10/11/1984
Title:
LASER DIODE MOUNTING SYSTEM
20
Patent #:
4676598
Issue Dt:
06/30/1987
Application #:
06734325
Filing Dt:
05/15/1985
Title:
MULTIPLE REFERENCE LASER BEAM APPARATUS
21
Patent #:
4676634
Issue Dt:
06/30/1987
Application #:
06762518
Filing Dt:
08/05/1985
Title:
DETECTOR DEVICE FOR A ROTATING LIGHT BEAM
22
Patent #:
4662707
Issue Dt:
05/05/1987
Application #:
06781094
Filing Dt:
09/27/1985
Title:
LIGHTHOUSE STRUCTURE AND COMPENSATING LENS IN REFERENCE LASER BEAM PROJECTING APPARATUS
23
Patent #:
4629321
Issue Dt:
12/16/1986
Application #:
06781095
Filing Dt:
09/27/1985
Title:
GRADE SETTING AND CALIBRATION ARRANGEMENT FOR LASER BEAM PROJECTION DEVICE
24
Patent #:
4654856
Issue Dt:
03/31/1987
Application #:
06781912
Filing Dt:
09/27/1985
Title:
LASER BEAM PROJECTION DEVICE AND ARRANGEMENT FOR MOUNTING A LASER PLASMA TUBE THEREIN
25
Patent #:
4653910
Issue Dt:
03/31/1987
Application #:
06788753
Filing Dt:
10/18/1985
Title:
REMOTE INDICATOR FOR A LASER ALIGNMENT SYSTEM
26
Patent #:
4674870
Issue Dt:
06/23/1987
Application #:
06788764
Filing Dt:
10/18/1985
Title:
LASER ALIGNMENT SYSTEM WITH MODULATED FIELD
27
Patent #:
4679937
Issue Dt:
07/14/1987
Application #:
06788800
Filing Dt:
10/18/1985
Title:
SELF LEVELING TRANSMITTER FOR LASER ALIGNMENT SYSTEMS
28
Patent #:
4770480
Issue Dt:
09/13/1988
Application #:
06862120
Filing Dt:
05/12/1986
Title:
APPARATUS AND METHOD FOR PROVIDING MULTIPLE REFERENCE LASER BEAMS
29
Patent #:
4717266
Issue Dt:
01/05/1988
Application #:
06873409
Filing Dt:
06/12/1986
Title:
LOW FRICTION FERROFLUID BEARING ARRANGEMENT
30
Patent #:
4684836
Issue Dt:
08/04/1987
Application #:
06881458
Filing Dt:
07/02/1986
Title:
MAGNETIC SPEED REDUCTION DEVICE
31
Patent #:
4830489
Issue Dt:
05/16/1989
Application #:
06898080
Filing Dt:
08/20/1986
Title:
THREE DIMENSIONAL LASER BEAM SURVEY SYSTEM
32
Patent #:
4752539
Issue Dt:
06/21/1988
Application #:
06913827
Filing Dt:
11/10/1986
Title:
LEVEL DETECTOR HOUSING
33
Patent #:
4786178
Issue Dt:
11/22/1988
Application #:
06941848
Filing Dt:
12/15/1986
Title:
APPARATUS AND METHOD FOR DETECTING THE POSITION AND ORIENTATION OF A REFERENCE BEAM OF LIGHT
34
Patent #:
4732471
Issue Dt:
03/22/1988
Application #:
07004463
Filing Dt:
01/20/1987
Title:
LASER ALIGNMENT SYSTEM WITH MODULATED FIELD
35
Patent #:
4756617
Issue Dt:
07/12/1988
Application #:
07006862
Filing Dt:
01/27/1987
Title:
LASER ALIGNMENT SYSTEM WITH MODULATED FIELD
36
Patent #:
4767208
Issue Dt:
08/30/1988
Application #:
07069480
Filing Dt:
07/02/1987
Title:
SELF LEVELING TRANSMITTER FOR LASER ALIGNMENT SYSTEMS
37
Patent #:
4801791
Issue Dt:
01/31/1989
Application #:
07077214
Filing Dt:
07/24/1987
Title:
PENDULOUS COMPENSATOR VIBRATORY MOTION DAMPING SYSTEM
38
Patent #:
4758729
Issue Dt:
07/19/1988
Application #:
07090944
Filing Dt:
08/28/1987
Title:
APPARATUS AND METHOD FOR MEASURING THE INCLUDED ANGLE OF A REFLECTIVE CONE
39
Patent #:
4852983
Issue Dt:
08/01/1989
Application #:
07099103
Filing Dt:
09/21/1987
Title:
DISTANCE SIMULATOR
40
Patent #:
4836669
Issue Dt:
06/06/1989
Application #:
07120817
Filing Dt:
11/16/1987
Title:
APPARATUS AND METHOD FOR PROJECTION OF REFERENCE PLANES OF LIGHT
41
Patent #:
4776672
Issue Dt:
10/11/1988
Application #:
07121090
Filing Dt:
11/16/1987
Title:
MULTI-PANED POLYGONAL LIGHTHOUSE ASSEMBLY WITH IMPROVED CORNER CONFIGURATION
42
Patent #:
4852265
Issue Dt:
08/01/1989
Application #:
07179510
Filing Dt:
04/08/1988
Title:
LEVEL/PLUMB INDICATOR WITH TILT COMPENSATION
43
Patent #:
4912851
Issue Dt:
04/03/1990
Application #:
07215678
Filing Dt:
07/06/1988
Title:
LEVEL/PLUMB INDICATOR WITH TILT COMPENSATION
44
Patent #:
4907874
Issue Dt:
03/13/1990
Application #:
07228465
Filing Dt:
08/05/1988
Title:
DETECTION AND DISPLAY DEVICE
45
Patent #:
4895440
Issue Dt:
01/23/1990
Application #:
07234565
Filing Dt:
08/22/1988
Title:
LASER-BASED MEASUREMENT SYSTEM
46
Patent #:
4884281
Issue Dt:
11/28/1989
Application #:
07242792
Filing Dt:
09/09/1988
Title:
LOW COST/POWER VISIBLE LIGHT SOLID-STATE LASER
47
Patent #:
4888890
Issue Dt:
12/26/1989
Application #:
07270645
Filing Dt:
11/14/1988
Title:
LASER CONTROL OF EXCAVATING MACHINE DIGGING DEPTH
48
Patent #:
4988193
Issue Dt:
01/29/1991
Application #:
07317512
Filing Dt:
03/01/1989
Title:
METHOD AND APPARATUS FOR MEASURING INCIDENT LIGHT ANGLE RELATIVE TO LEVEL
49
Patent #:
4926948
Issue Dt:
05/22/1990
Application #:
07372909
Filing Dt:
06/28/1989
Title:
METHOD AND APPARATUS FOR CONTROLLING MOTORGRADER CROSS SLOPE CUT
50
Patent #:
5033848
Issue Dt:
07/23/1991
Application #:
07380131
Filing Dt:
07/14/1989
Title:
PENDULOUS COMPENSATOR FOR LIGHT BEAM PROJECTOR
51
Patent #:
5026157
Issue Dt:
06/25/1991
Application #:
07380611
Filing Dt:
07/14/1989
Title:
MAGNETIC MOTION DAMPING SYSTEM FOR PENDULOUS COMPENSATOR
52
Patent #:
4976538
Issue Dt:
12/11/1990
Application #:
07428624
Filing Dt:
10/30/1989
Title:
DETECTION AND DISPLAY DEVICE
53
Patent #:
4971440
Issue Dt:
11/20/1990
Application #:
07447792
Filing Dt:
12/08/1989
Title:
PROJECTION OF TWO ORTHOGONAL REFERENCE LIGHT PLANES
54
Patent #:
5033847
Issue Dt:
07/23/1991
Application #:
07462653
Filing Dt:
01/09/1990
Title:
ANGULAR POSITIONING AND CALIBRATION OF PROJECTED REFERENCE LIGHT PLANES
55
Patent #:
5000564
Issue Dt:
03/19/1991
Application #:
07491227
Filing Dt:
03/09/1990
Title:
LASER BEAM MEASUREMENT SYSTEM
56
Patent #:
5076690
Issue Dt:
12/31/1991
Application #:
07522745
Filing Dt:
05/14/1990
Title:
COMPUTER AIDED POSITIONING SYSTEM AND METHOD
57
Patent #:
5078215
Issue Dt:
01/07/1992
Application #:
07530905
Filing Dt:
05/29/1990
Title:
METHOD AND APPARATUS FOR CONTROLLING THE SLOPE OF A BLADE ON A MOTORGRADER
58
Patent #:
5144486
Issue Dt:
09/01/1992
Application #:
07590677
Filing Dt:
10/01/1990
Title:
LASER BEAM APPARATUS FOR PROVIDING MULTIPLE REFERENCE BEAMS
59
Patent #:
4030832
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
Assignor
1
SPECTRA-PHYSICS, INC., A CORP. OF DE
Exec Dt:
04/09/1991
Assignee
1
SPECTRA-PHYSICS LASERPLANE, INC., A DE CORP.
5475 KELLENBURGER RD.
DAYTON, OHIO 45424-1099
Correspondence name and address
KILLWORTH, GOTTMAN, HAGAN & SCHAEFF
1400 ONE FIRST NATIONAL PLAZA
DAYTON, OH 45402-1502
ATTN: TIMOTHY W. HAGAN

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