U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.

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Examiner: Breitenstein, G. T.


Primary examiner statistics: 118 patents; average approval time: 633 days
Assistant examiner statistics: 266 patents; average approval time: 688 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
4359430 Betaine recovery process
4358604 N-Aminoalkyl iodothyronine derivatives
4355172 Process for 4-(D-3-amino-3-carboxypropoxy)-phenylglyoxylic acid o...
4354033 Anthranilic acid esters
4347377 Process for the preparation of polyhalogenphenyl carbamates
4347375 Process for preparing amino acids and esters
4341899 Vapor phase dechlorination process
4341798 Amide derivatives of p-isobutyl-phenyl-propionic acids and relate...
4340749 Carpet treatment
4340753 Method for making keto acids and dione cyclics obtained therefrom
4339345 Method for manufacture of nickel boride colloid
4339268 Herbicidal nitroalkyl 5-[2-chloro-4-(trifluoromethyl)phenoxy...
4339601 Terephthalic acid derivatives and process for preparing them
4339348 Dioxime ion exchangers
4339592 Process for the production of urethanes
4338460 Process for preparing chelating agents
4338333 Ethanamine derivatives their preparation and use in pharmaceutica...
4338455 Novel process and intermediates useful in the preparation of ...
4337270 Novel anthranilic acid derivatives
4336405 Silver halide developing agents
4332958 Benzylidene glycine ester derivatives
4331683 Carboxamide compounds as SRS-A antagonists
4330556 Microbicidal N-1'-hydrocarbyloxycarbonylethyl)-N-alkoxyacetylanil...
4329358 3-Chlorophenyl anti-obesity agents
4329502 Propranolol antigen conjugates and antibodies
4328354 Preparation of methylene-bis-phenylcarbamic acid esters and ...
4327024 Iminoisoindolinone pigments, process for their production and use...
4324800 Novel benzylalcohol derivatives and processes for preparing same
4323691 Hydroxyaminomethyl derivatives of benzoyl di-substituted &#x...
4321404 Compositions for providing abherent coatings
4321402 Carbamate process
4321406 Vinylcyclopropane monomers and oligomers
4318923 Benzaminoethylphenoxycyclohexylacetic acid derivatives
4318852 Sodium amoxicillin solvate
4319035 Process for recycling noble metal catalysts used for the manufact...
4317674 Diurethanes, process for making the same and selective herbicide ...
4317933 Preparation of antioxidants
4316042 Substituted carboxyalkoxyaminodihydrobenzophenones
4313895 Alkoxylated diquaternary ammonium compounds
4313959 (Arylmethyl)phenyl-aminocyclohexanols, cyclohexenes and intermedi...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4275076 Substituted naphthoic acids
4268684 Preparation of carbamates from aromatic amines and organic carbon...
4268683 Preparation of carbamates from aromatic amines and organic carbon...
4267122 Aminosulfonylcarboxylic acids and their substituted ammonium salt...
4267123 Method of preparing propane sulfonates
4266069 Processes for the preparation of hydratropic acids and esters
4266070 Catalytic process for the manufacture of urethanes
4263041 Optionally substituted phenyl, and alkyl N-[5-(2-chloro-4-tr...
4263446 Process for making 3-(3,5-dialkyl-4-hydroxyphenyl)propionate este...
4262130 Process for the production of urethanes
4262152 Preparation of trifluoromethylphenyl nitrophenylethers
4261732 Alkyl and alkoxyalkyl N-3-alkyl and N-3,5-dialkylbenzoyl-N-i...
4261898 Silicon-modified phthalic acid derivatives
4260557 Polymer containing amino groups and hydroxyl and/or mercapto grou...
4260781 Process for the manufacture of carbamates
4259105 Diphenylamine derivatives
4259249 Preparation of hydroxyl zwitterionic compounds
4259511 Process for separating selenium, selenium compounds, sulfur and/o...
4258201 Process for the manufacture of carbamates
4256917 Anhydrous L-lysine monohydrochloride in ଱-cyrstalline form ...
4254273 Process for preparing esters of ଱-methyl-3,4-dihydroxypheny...
4254053 Process for manufacturing D camphorate of L carnitinamide and D ...
4254279 Ester resolution process
4254138 Esters of 4-(monoalkylamino)benzoic hydroxyalkanoic acids
4254146 3-Benzoyl-2-nitrophenylacetic acids, metal salts, amides and este...
4254272 Aromatic diamines and polyurethanes cured thereby
4252979 Terephthalic acid derivatives
4252980 Process for the manufacture of (phenoxy or benzyl)-phenoxypropion...
4252981 Synthesis of methylene bis(methylanthranilate)
4251667 Process for the preparation of aromatic urethanes
4250110 Method of preparing metoclopramide
4246425 4-Chloro-3,5-diaminophenyl acetates and curing agent
4246164 Process for the resolution of (+)- and (-)-6-methoxy-଱...
4246193 Process for the resolution of d,1 2-(6-methoxy-2-naphthyl)propion...
4243819 Substituted amino acids
4242525 Process for producing salts of pyruvic acid
4242520 Promoted method for producing carbamates
4239886 Salts of N-acylaminohydroxynaphthalenesulphonic acids
4239902 N-Carboxyacylaminoacid esters, processes for their production and...
4239904 Process for the preparation of urethanes
 
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