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Charles W. Neefe — 69 Patents

SUSunsoft: 6 patents #1 of 2Top 50%

BIBausch & Lomb Incorporated: 1 patents #387 of 658Top 60%

Ossenvenne, TX: #1 of 84 inventorsTop 2%

Texas: #981 of 125,132 inventorsTop 1%

Overall (All Time): #29,979 of 4,157,543Top 1%

69 Patents All Time

Charles W. Neefe has been granted 69 US patents while listed as an inventor at Sunsoft. The first was granted in 1980 and the most recent in July 1992. Charles W. Neefe ranks #29,979 of 4,157,543 US inventors in our database (top 0.72%). Patent records list Charles W. Neefe in Ossenvenne, TX, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 69 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5129587	Method of making polystyrene fluff from foamed polystyrene	—	1992-07-14
5106182	Laminated cosmetic contact lens and method of making same	Charles R. Briggs, Barbara A. Smith	1992-04-21
5100603	Method of recycling multimaterial containers	—	1992-03-31
5066431	Method of making toric contact lenses	Charles R. Briggs	1991-11-19
5055350	Composite railroad cross-tie	—	1991-10-08
5041250	Polymer bonding grains of sand using styrofoam fluff as an adhesive	—	1991-08-20
5011633	Method of controlling the thickness of cast lenses	—	1991-04-30
4997609	Polymer bonding grains of sand to form useful objects	—	1991-03-05
4971433	Method of making an improved dyed color change contact lens	—	1990-11-20
4903052	Method of making an improved dyed color change contact lens	—	1990-02-20
4867552	Eye color change contact lens	—	1989-09-19
4865439	Production of cosmetic lenses	—	1989-09-12
4865440	Simplified method of producing cosmetic contact lenses	—	1989-09-12
4840477	Dyed color change contact lens	—	1989-06-20
4758064	Compressed fiber optic cable	—	1988-07-19
4738520	Eye color change contact lens	—	1988-04-19
4725133	Corneal color change device with wide fitting latitude	—	1988-02-16
4710327	Method of molding an eye color change contact lens blank	—	1987-12-01
4710328	Method of making an eye color change contact lens	—	1987-12-01
4701038	Cosmetic contact lens	—	1987-10-20	$1,950,000
4695399	Method of making a contact lens material which may be identified by colored fluorescence	—	1987-09-22
4666640	Method of making a spin cast gradient light absorbing contact lens	—	1987-05-19
4659524	Method of molding bifocal contact lenses	—	1987-04-21
4659522	Method of spin casting an ophthalmic device with a central aperture	—	1987-04-21
4657363	Fluorescent corneal color change device	—	1987-04-14