200
The goodwill cost of an entity can be as much or even greater than the net liquid value of a company depending on what branding, technology and patents they have.
Conversion
thomas Edison had 1093 patens in his inventions1093.1093
The cost will vary. dentists hate to give estimates. Each patents cost tends to be different. It should cost less than a new set of dentures though.
99,220, including utility patents, plant patents, design patents, and reissues.
The USPTO granted a total of 247,727 patents from 1 January 2011 to 31 December 2011, including Reissue Patents, Plant Patents, Design Patents, and Utility Patents.
Unfortunately, patents cannot be awarded without examination, and examination is expensive.
The US Patent Office issued 99,200 total patents from 1 January 1990 to 31 December 1990, including 9 reissue patents, 6 plant patents, 194 design patents, and 98,991 utility patents.
Kenneth Norris has written: 'The inventor's guide to low-cost patenting' -- subject(s): Patents
Charles Kettering had 104 patents.
43 patents
The website Free Patents Online provides descriptions of patents, with downloadable PDFs of their schematics. Alternatively, the website Patents provides text descriptions but no images.